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Table 1 Baseline characteristics of all participants by RLP-C quartile

From: Associations between remnant lipoprotein cholesterol and central systolic blood pressure in a Chinese community-based population: a cross-sectional study

Variables

Total

RLP-C, mmol/L

P Value

Q1 (< 0.39)

Q2 (0.39–< 0.54)

Q3 (0.54–< 0.73)

Q4 (≥0.73)

n

5173

1269

1283

1318

1303

 

Age, y

55.0 ± 8.5

54.2 ± 8.8

55.3 ± 9.1

55.5 ± 8.2

55.0 ± 7.9

< 0.001

Male, n (%)

1845 (35.7%)

365 (28.8%)

444 (34.6%)

476 (36.1%)

560 (43.0%)

< 0.001

BMI, kg/m2

25.5 ± 3.3

24.0 ± 3.0

25.3 ± 3.2

26.1 ± 3.2

26.7 ± 3.1

< 0.001

eGFR, mL/min·1.73m2

96.8 ± 12.0

98.7 ± 11.4

96.9 ± 11.9

96.1 ± 11.9

95.4 ± 12.5

< 0.001

cSBP, mmHg

129.7 ± 17.3

126.1 ± 16.8

129.0 ± 17.3

130.2 ± 16.8

133.2 ± 17.4

< 0.001

TC, mmol/L

5.4 ± 1.0

4.8 ± 0.8

5.1 ± 0.8

5.5 ± 0.9

6.0 ± 1.1

< 0.001

TG, mmol/L

1.2 (0.9–1.8)

0.8 (0.6–0.9)

1.1 (0.9–1.3)

1.4 (1.2–1.7)

2.3 (1.8–3.1)

< 0.001

HDL-C, mmol/L

1.5 ± 0.4

1.8 ± 0.4

1.5 ± 0.3

1.4 ± 0.3

1.2 ± 0.3

< 0.001

LDL-C, mmol/L

3.3 ± 0.8

2.7 ± 0.6

3.2 ± 0.6

3.5 ± 0.7

3.7 ± 1.0

< 0.001

RLP-C, mmol/L

0.5 (0.4–0.7)

0.3 (0.2–0.4)

0.5 (0.4–0.5)

0.6 (0.6–0.7)

0.9 (0.8–1.1)

< 0.001

Non-HDL-C, mmol/L

3.9 ± 1.0

3.0 ± 0.6

3.6 ± 0.6

4.1 ± 0.7

4.8 ± 1.0

< 0.001

Smoking, n (%)

1038 (20.1%)

163 (12.8%)

219 (17.1%)

275 (20.9%)

381 (29.2%)

< 0.001

Drinking, n (%)

1255 (24.3%)

250 (19.7%)

299 (23.3%)

317 (24.1%)

389 (29.9%)

< 0.001

Prevalence of cardiovascular disease, n (%)

 Diabetes mellitus

953 (18.4%)

159 (12.5%)

208 (16.2%)

253 (19.2%)

333 (25.6%)

< 0.001

 Self-reported Myocardial Infarction

21 (0.4%)

0 (0.0%)

7 (0.6%)

7(0.5%)

7 (0.5%)

0.077

 Self-reported Stroke history

97 (1.9%)

21 (1.7%)

30 (2.3%)

28 (2.1%)

18 (1.4%)

0.261

 Hypertension

1342 (25.9%)

237 (18.7%)

311 (24.2%)

355 (26.9%)

439 (33.7%)

< 0.001

 Antidiabetic medication use

325 (6.3%)

60 (4.7%)

76 (5.9%)

88 (6.7%)

101 (7.8%)

0.013

  1. Data are presented as mean ± standard deviation for normally distributed continuous variables, median (interquartile range) for non-normally distributed continuous variables, and number (percentage) for dichotomous variables
  2. Abbreviations: BMI body mass index, eGFR estimated glomerular filtration rate, cSBP central systolic blood pressure, TC total cholesterol, TG triglyceride, HDL-C high–density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, RLP-C remnant lipoprotein cholesterol, non-HDL-C non-high-density lipoprotein cholesterol